Minor optimization of the hint texts (#76)

Placeholder texts slightly improved and standardized,
with an additional hint text added to the replace:find input box.

Author: kmkom

usr/lib/bulky/bulky.py

@@ -633,6 +633,10 @@ def on_scope_changed(self, widget):
         self.preview_changes()
 
     def on_widget_change(self, widget):
+        if self.replace_regex_check.get_active():
+            self.find_entry.set_placeholder_text("Enter a regular expression; example: .+")
+        else:
+            self.find_entry.set_placeholder_text("Enter a search string; wildcards ? and * are supported.")
         self.preview_changes()
 
     def preview_changes(self):

usr/share/bulky/bulky.ui

@@ -361,7 +361,7 @@
                                 <property name="visible">True</property>
                                 <property name="can-focus">True</property>
                                 <property name="hexpand">True</property>
-                                <property name="placeholder-text" translatable="yes">Use %n, %0n, %00n, %000n to enumerate.</property>
+                                <property name="placeholder-text" translatable="yes">Use %n, %0n, %00n, etc. to enumerate.</property>
                               </object>
                               <packing>
                                 <property name="left-attach">1</property>
@@ -489,7 +489,7 @@
                                 <property name="visible">True</property>
                                 <property name="can-focus">True</property>
                                 <property name="hexpand">True</property>
-                                <property name="placeholder-text" translatable="yes">Use %n, %0n, %00n, %000n to enumerate.</property>
+                                <property name="placeholder-text" translatable="yes">Use %n, %0n, %00n, etc. to enumerate.</property>
                               </object>
                               <packing>
                                 <property name="left-attach">1</property>